what are input fields in qlikview ? where we can use with simple example ?pls help me

[#1]

what are input fields in qlikview ? where we can use with simple example ?pls help me 

thanks in advance

[#2]

Input fields allow you to update previously loaded data on the dashboard, which may be helpful for example in What-If Analysis. Check QlikView Reference for details

You can find lots of examples on this forum, e.g. Loading Data into Input Boxes